Pipe-clamp.



No. 724,037. PATL'NTBD MAR. 31, 1.903'. W. L. PARTINGTQN.

PIPE CLAMP.

APPLICATION FILED JAN. 3, 1903.

No MODEL. I

, me Nonms PUERS. c'o. PvloaLrrno.. wAsmNs-ron, n c.

NITED STATE-s PATENT OFFICE. f y

WILLIAM L EESHIAR'IINGTON, OF KANSAS CITY, MISSOURI, ASSIGNOR OF ONE-FOURTH TO A. W. MCALISTER, OF KANSAS CITY, MISSOURI.

PIPE-CLAM P.

, SPECIFICATION forming part 0f Letters Patent No. 724,037, dated March 31, 1903.

Application filed January 3, 1903. Serial No. 137,744. (No model.)

To cir/ZZ whom t may concern:

Be it known that I, WILLIAM LEES PART- INGTON, a citizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented certain new and useful Improvements in Pipe- Clamps, of which the following isaspeciication.

My invention relatesl to pipe-clamps, and more especially to a device to be disposed within a length of pipe coincidental with the overlapping end of the contiguous length; and my object is to produce a clamp which can be secured in position easily and quickly Without the use of tools and which will reliably hold the lengths rigidly together Without the use of wire or equivalent external braces or suspension devices.

To this end the invention consists in certain novel and peculiar features of construction and combinations of parts, as hereinafter described andclaimed, and in order that it may be fully understood reference is to be had to the accompanying drawings, in which- Figure 1 is a perspective View of a pipeclamp embodying my invention. Fig. 2 is a cross-section of the overlapping ends of contiguous pipe lengths as clamped together by my improved clamp, the latter being shown partly in elevation and partly in section.

In the said drawings, 1 designates a rodformed With thumb -wings 2 at its center whereby it may be readily grasped between ones thumb and tinger and turned. At one end the rod is threaded, as at 3, andat the other reduced to form an axial pin 4, a shoulder 5, near the inner end of said pin, and an indentation-point 6 at its outer end.

7 designates a segmental plate of any suitable length and constructed of elastic or nonelastic material and provided at its inner side with a central hub 8, having a bore or passage 9. l0 designates a similar plate, forming an arc of a circle of the same size and provided at its inner end with a hub 11, having an axial threaded socket 12, and projecting outward from the plate in alinement with said socket is an indentation-point 13.

To assemble the parts together, the reduced and pointed portion of the rod is ,in- 5o serted through the passage 9'of the platehub 8, and lthe other plate is screwed upon the opposite end of the rod until the clamp as a whole is of slightly-smaller diameter than the pipe into which it is to be tte'd, as 55 shown. The operator 'now introduces the` clamp Within the length of pipe, as at 14, which is adapted to be fitted inthe contiguous one, and turnsv rod 1, theA result being the diameter ofthe clamp is increased, and the 6o indentation-points 6 and 13k slightly indent the pipe length, the indentations being sufficient to hold the clamp reliably in such position until the length, as at 15, is fitted over Y the first-named length in the customary manner. The operator then slips his arm down through one of the lengths, and, grasping the handle portion 2 of the clamp, manipulates the rod to still further increase the diameter of the clamp, and thus by pressing the in- 7c ner length outwardly against the outer one secures the two pipe lengths as rigidly together as though they were integrally constructed.

In Fig. 2 the indentations of the pipe 75 lengths through the medium of the points 6 and 13 are exaggerated somewhat, so as to bring out the eiect obtained more clearly.

In practice it is obvious that the connection of the pipe length with thestove is not pro- 8o vided with a clamp and that in taking downv the pipe for cleaning or other purposes the joint must be first broken at that point, so as to enable the operator to introduce his arm into the pipe lengths as successively presented for the purpose of grasping the clamphandles 2 and turningthexn to reduce the diameters of the clamps preliminary to their removal and the subsequent disconnection of the,.pipe lengths, as Will be readily under- 9o stood.

Where the plates 7 and l0 are of spring metal, it is obvious that they willadapt themselves to the configuration of the pipe-sections to which they are applied. Said plates, however, maybe of cast metal, and'if so should form arcs of circles of the same size as the Jpipe lengths which they are to secure together, and thus obtain a more extended bearing on the latter, as Will be readily understood.

From the above description it will be apparent that I have produced a clamp forstove and analogous pipes which possesses the features of advantage enumerated as desirable in the statement of invention and which may be obviously modified in minor particulars Without departing from the principle and scope or sacrificing any of its advantages.

It will be understood, of course, that it may be unnecessary to employ a clamp in any other point than at the point of connection of the topmost length with the ue, as at that point there is more danger of dislocation than at any other.

Having thus described the invention, what I claim as new, and desire to secure by Letters Patent, is-

l. A pipe-clamp, comprising a pair of opposite segmental plates, a diametric rod connected to and having a threaded relation with at least one of them, and indentation-points at the outer sides of the plates.

2. A pipe-clamp, comprising a pair of opposite segmental plates, a dialnet-ric rod connected to and having a threaded relation with at least one ot' them, and indentation-points at the outer sides of the plates, one of them being integral with the plate and the other with said rod.

3. A pipe-clamp, comprising a-pair of opposite segmental plates, one of them having a hub with a passage, and the other a threaded socket, and an external indentation-point; and a rod having a threaded end engaging said threaded socket and a reduced portion at its opposite end projecting through the passage of the other plate, and terminating in an inden tation-point externally of the lastnamed plate.

4. The combination with a pair of pipe lengths having the end of one of them overlapping that ofthe other,with an internal clamp, consisting of a pair of segmental plates fitting against the inner sides of the inner pipe length, a diametric rod connecting said plates and having a threaded relation with at least one of them, and indentation-points at the outer sides of said plates.

In testimony whereof I afix my signature in the presence of two witnesses.

WILLAM LEES PAR'IINGTON.

Witnesses:

H. C. RoDGERs, G. Y. THonPE. 

